“The permanent solution to hair loss is hair transplant surgery. Some opt for a mixture of both to maintain the results.

“The problem arises, however, in the fact that a hair transplant sometimes isn’t an option, particularly where hair loss is in its infancy, patients have diffuse thinning, or where there’s poor donor availability.

“So there’s an important gap to fill between these medicinal and transplant options - which is where fat transfer may come in.

While noting the small number of people taking part, Dr Ball and his team are calling for larger trials.

Hair restoration surgeon Dr Ball, who appeared on Channel 4’s How Not To Get Old, said that while we’re still some time away from the procedure becoming common practice in clinics, the results would open up a whole field of hair loss treatment.

He said: “Hair loss can affect men and women mentally and emotionally.

“Around 40 per cent of men have noticeable hair loss by the time they’re 35, which can cause real distress.

Dr Ball's team hope to perform a larger clinical trial to further test the therapy

"I know this for a fact, as I went through that precise scenario myself, which is why any new methods of combating baldness are to be applauded and studied further.

“The autologous fat transplantation is exciting in many ways because it improves the growth of hair that’s already there and thickens hair that’s so fine it’s almost invisible.

“The other important thing to note is that autologous fat transplant has been shown to be well tolerated, as it’s been used for many years in other cosmetic surgery procedures to add volume to the face and breasts, in what’s called ‘lipomodelling’.”

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